accurate/preciseCan a set of measurements be precise but not accurate? Explain. My weight is 3.23945866 lbs. However, my doctor says it is more like 220 lbs. Which is more precise, and which is more accurate?
September 6, 2006 by anonymous

ChemistryThree people weigh on a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 for the mass of the standard. These results imply that the balance that was used is ___________. a) neither accurate nor precise b) accurate c) precise d) accurate and ...
February 20, 2014 by Bryan

PhysicsHI! :( Im sorry to bother you guys but I need help on only these three questions. I'm not trying to cheat but these three are really confusing. This is the first time I've ever asked for help on the internet haha. Please dont be upset I promise this is the only time. 13. You ...
October 17, 2012 by Godrick

ScienceA student measures a rectangular room to be 20.0 m X 17.16 m. Which of the numbers below represents the room’s area with the correct number of significant figures? a. 340 m^2 b. 343 m^2 c. 343.2 m^2 d. 343.20 m^2 B Which component of the technological system is activated when ...
October 2, 2013 by Anonymous

Science- Ms. Sue or DrBob222?A student measures a rectangular room to be 20.0 m X 17.16 m. Which of the numbers below represents the room’s area with the correct number of significant figures? a. 340 m^2 b. 343 m^2 c. 343.2 m^2 d. 343.20 m^2 B Which component of the technological system is activated when ...
October 2, 2013 by Anonymous

science help please?????????????A student wishes to test the accuracy of the measuring jug she is using in an experiment. The label on the jug claims that it measures volume to an accuracy of plus or minus 5 cm3. The density of water is about 0.999 g cm−3, which means that 100 cm3 of water should have ...
December 6, 2013 by centya

Science need help???A student wishes to test the accuracy of the measuring jug she is using in an experiment. The label on the jug claims that it measures volume to an accuracy of plus or minus 5 cm3. The density of water is about 0.999 g cm−3, which means that 100 cm3 of water should have ...
December 7, 2013 by centya

STATISTICS HELPA student wishes to test the accuracy of the measuring jug she is using in an experiment. The label on the jug claims that it measures volume to an accuracy of plus or minus 5 cm3. The density of water is about 0.999 g cm−3, which means that 100 cm3 of water should have ...
December 9, 2013 by john

Geography What is absolute location? A.a precise measure of where a location falls in terms of longitude and latitude using units such as minutes and seconds B.a precise measure of distance around the equator C.a more precise measure of where a location falls in terms of longitude and ...
February 4, 2013 by Anon

PhysicsMeasurements can be described as accurate and/or precise. Define accuracy and precision and give examples of how those terms could be used to describe a measurement.
August 5, 2011 by Eli

Physicswhich do you prefer to use, an instrument which is more precise or one which is more accurate? WHY? thanks po! :)
June 29, 2012 by Gen

chemistrySay you made three different mass measurements of a sugar cube. You know the mass is 1.0g. how would you know whether or not the measurements were accurate? Precise?
October 11, 2007 by Alyssa

Sience Plase help check my answers 1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
September 15, 2014 by hannah

Math - More Precision and Significant DigitsPlease help me with the following problems: 3. Choose the more precise measurement. 6 cm or 2.5 cm I think it is 2.5 cm. Is this correct? 7. Choose the less precise measurement and explain why it is less precise. 2.8 mm or 3.79 mm I think the answer is 3.79 mm. Is this correct...
August 30, 2014 by Brady

PhysicsShould the wavelengths computed from 2nd order lines be more accurate or more precise than those compute from 1st order lines?
April 17, 2012 by Anonymous

physicsthese values were obtained as the mass of a bar of metal: 8.83g 8.84g 8.82g the known mass is 8.83g the values are both accurate and precise- true or false
September 10, 2013 by tisha

StatisticsIt is known that the amount of time needed to change the oil in a car is normally distributed. A random sample of 100 oil changes yielded a sample mean of 22 minutes and a standard deviation of 5 minutes. Then compared to the interval estimate for the previous question. This ...
February 26, 2007 by Jason L

chemistrythe accepted boiling point of ethanol is 78.5C. a student takes the temp of a sample of ethanol which is boiling in a beaker on a hotplate. the student reports the temp as 78.5C. is this measurement precise, accurate, both or neither?
July 13, 2010 by Anonymous

chemistryThe density of sample measurements taken by a tech are: 0.810g/mL, 1.375g/mL, 2.046g/mL. The Actual density is 1.027g/mL. Are these measurements by the tech. precise accurate or neither or both Is the correct answer: Neither??? Thanks,
October 10, 2011 by Connie

ChemistryIs a beaker more precise in determining volume than an Erlenmayer flask??? Probably... More precise would be a graduated cylinder but if that's not an option I'd go with the beaker. See my answer to a similar question below. It all depends upon the size of each and how much ...
April 19, 2007 by John

Physicsif measurements show precise position for an electron can those measurements show precise momentum aslo? Explain
November 20, 2009 by Tarea

AstronomyIn fact, more precise calculations suggest that ISON was on a hyperbolic, unbound orbit. How much more precise? Find the minimal speed with which the comet would have had to be moving when observed at perihelion in order to eventually escape the Solar system, in km/s.
December 9, 2013 by keitanako

Quick Help (urgent)How do you know the information presented on the sites are accurate? healthunit . com teenwire . com sexualityandu . ca sexetc . org I don't know how to do this question. Truth is I "don't" know if the information is accurate. Please help, like give me an example of how I can ...
October 4, 2009 by John

chemistrywould this be true, false, or sometimes tru 1)An answear to calculations done with scientific measurements cannot be more precise than the least precise measurement. Calculators cannot improve precision, nor accuracy. Precision is in the measurements. so it's true?
January 12, 2007 by Bryan

Chemistry (Check)Is the following sentence true or false? An answear is as precise as the most precise measurement from which it was calculated. My Answear: True Round the following measurements as indicated 1)Round 65.145 meters to 4SF (69.145) 2)Round 100.1 to 1SF (100.2) No. An answer is as...
January 17, 2007 by Bryan

ScienceWhat process involves the comparison of rock layers with others in a sequence to determine its age? radioactive decay radiometric dating relative dating absolute dating To determine the most accurate and precise age of Earth's oldest rocks, geologists would use relative dating...
October 30, 2013 by Abby

statisticsif i have k = 36.86 +/- 4.78 and v = 113 +/- 9.92 both using 95% confidence limits and no true values of k or v given am i right in saying that accuracy cannot be determined and that v is a more precise measurement my question was to comment on what can be said about the ...
January 18, 2010 by jemmy

statisticsif i have k = 36.86 +/- 4.78 and v = 113 +/- 9.92 both using 95% confidence limits and no true values of k or v given am i right in saying that accuracy cannot be determined and that v is a more precise measurement my question was to comment on what can be said about the ...
January 18, 2010 by jemmy

Physics Mathematicsdo we have to have the same amount of significant numbers in the values we got by convertion? No. Your conversion factors may have some lack of precision. Examples 60sec=1min infinitely precise, a definition. 1.6km= 1mile two sig figures, because the mile to km is a measured ...
September 15, 2006 by Katrina

American GovernmentThe term "public opinion" is frequently used in reference to all of American society. This perspective is? A. accurate, since Americans are one people and indivisible B. less accurate than view of public opinion based on majority, since the political system operates on the ...
October 2, 2012 by Liz

maths if i have k = 36.86 +/- 4.78 and v = 113 +/- 9.92 both using 95% confidence limits and no true values of k or v given am i right in saying that accuracy cannot be determined and that v is a more precise measurement my question was to comment on what can be said about the ...
January 19, 2010 by lucy

statistic maththe local weatherman has been accurate (successful) in his forecast 80% of the time. find probability that he is accurate exactly 3 of the next 5 days. helppp
December 10, 2014 by Anonymous

american governmentPublic opinion is ordinarily used in reference to whole society.This perspective is: a)accurate,since Americans are one people and indivisible b)less accurate than a view of public opinion based on the majority,since the political system operates on the principle of majority ...
June 30, 2010 by vedrana

social studiesForecasts of economists have.....1. overestimated inflation 2. underestimated inflation 3. generally been accurate on inflation 4. been less accurate than forecasts of economic growth 5. been as accurate as those for economic growth
October 27, 2011 by carrie

chemistrydo you think that determining the volumes of your metal samples by measuring their dimensions and calculating would be more accurate or less accurate than determinging these volumes by water displacement?
September 20, 2007 by Anonymous

Chemistry (Check)Classify each of these statements as always true, sometimes true, or never true 11)sometimes true 12)Never True 11)Scientific notation is used to express large numbers in convenlent form. 12)Siginificant figures include all the digits that can be known accurately plus a last ...
January 13, 2007 by Bryan

scienceScientist keep accurate records when they are conducting an investigation. Describe two reasons why it is important that scientists keep clear, thorough, accurate records. Please help me? thank you
April 1, 2008 by Dj

HelpJane claimed that a number is divisible by 4 if each of the last two digits is divisible by 4. Is this claim accurate? If not, how would you suggest that Jane change it to make it accurate?
October 19, 2013 by Trudy

ScienceHow does accuracy differ from precision? Accuracy is how close a measurement is to a generally accepted value. Precision is how many digits the measurement is. My weight is 160 lbs, generally accepted as true. My to scales recoreded my weight as 164lbs, and as 144.432 lbs. The...
January 11, 2007 by Dennis

scienceThe true speed of a moving car on the Earth, if you want to be very precise, would be the speed of the car with respect to the ground Is this true? yeah it is true yeah it is true The true speed of a moving car on the Earth, if you want to be very precise, would be the speed ...
May 10, 2007 by Haley

chem (Check)The Question: Why must a calculated answear generally be rounded? My Answear: A calulated answear cannot be more precise than the least precise measurement from which it was calculated. I think your answer is ok but I think you are leaving out information that should be ...
January 15, 2007 by Bryan

physicsCRITICAL THINKING: The term ”weight” in physics has the following very specific meaning: “The weight of an object is the name given to a particular force: the gravitational force exerted by the earth on the object, giving it an acceleration of 9.8 m/s2 near the surface of ...
January 29, 2015 by Anonymous

physicsCRITICAL THINKING: The term ”weight” in physics has the following very specific meaning: “The weight of an object is the name given to a particular force: the gravitational force exerted by the earth on the object, giving it an acceleration of 9.8 m/s2 near the surface of ...
January 29, 2015 by Anonymous

economicIn a free market, which of the following is an accurate statement regarding price? A) Prices tend to increase. B) The price of a good or service helps to quantify its value to consumers. C) None of these statements are accurate. D) Sellers offer misleading information to beef ...
September 22, 2012 by joe

vocabularyThis mstake made a differnece of about two inches and a half in the shot - that is to say in the position of the peg nearest the tree;...of course the error, however trivial in the beginning, increased as we proceeded with the line....: Something that is trivial is definitely ...
September 26, 2013 by cici

PsychologyLike the popular belief that older adults do poorer in schools than their younger counterparts, the midlife crisis___________________. 1.is more accurate when describing an older population. 2.is more accurate when describing adolescents. 3.occurs more often among men. 4.is ...
July 31, 2011 by Pete

geometryRewrite the biconditional as a conditional statement and its converse and then determine if the biconditional is an accurate definition: Two angles are supplementary if and only if they form a linear pair conditional:_____________________________ converse:...
October 2, 2007 by alan

chemistryEvery measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. You could use either of the two options given below. • Take a ruler and measure the height of the textbook three ...
June 15, 2011 by mema

Physics labDuring a lab, we dropped a ball from the second story of our school and found out the distance, ave. time, ave. velocity, final velocity and the acceleration. One of the questions is: If we could redo this experiment from a 300 ft radio tower instead of from the second story ...
September 22, 2008 by Gray

american historyWhich of the following statements about the Southern planter's world is most accurate? A. Most great planters of the Old South were self-made men. B. The stereotype of the "southern belle" is fairly accurate. C. The wives and daughter of plantation owners lived lives of ...
May 5, 2014 by mari

Physics/MathA can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.4x), with x in meters and F0 = 4.5 N. (Here exp is the exponential function.) How much work is done on the can by the force? For Further Reading * Physics/Math - ...
March 3, 2007 by Technoboi11

historyWhich of the following statements about the Southern planter's world is most accurate? A. The stereotype of the "southern belle" is fairly accurate. B. Most great planters of the Old South were self-made men. C. The wives and daughter of plantation owners lived lives of ...
November 30, 2011 by jake

ChemistryI am doing a experiment with ice and i have to discuss the accuracy and precise of an uncertainy measure. How to express that answer.
September 7, 2012 by Barb

science1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
October 30, 2013 by anonymous

Science1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
October 31, 2013 by thewhat

StatisticsBelow Find a sequence of probabilites generated using excel.What is this mystery poisson functions M? Be precise, down to one decimal and show work.
March 8, 2007 by Jason L

algebrawrite in simplest form 1/10 / 1/4 they way you typed the problem illustrates well why it is so important to use brackets to show the precise order of operation. I will assume you meant (1/10) ÷ (1/4), if so then it would be (1/10)(4/1) =2/5
April 25, 2007 by Tony

ChemisryWhat is the minimum amount of 5.2M H2SO4 necessary to produce 22.8g of H2 (g) according to the following reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) (Please be precise and clear)
February 11, 2014 by Tyler Jones

MusicDo conductors always need to conduct precise rhythmic patterns to keep musicians together? I do not think so. Is this correct. :) No, not always.
November 7, 2006 by Sarah

Science1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
October 30, 2013 by anonymous

Science 1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
September 15, 2014 by hannah

HISTORYDoes this sentence make any sense and is it accurate? The Soviet Union, however, rejected the Marshall Plan due to the belief that they could not keep a close eye on the satellite states in the Eastern bloc and that the West was trying to enforce their democratic ideas. ++++ ...
April 24, 2007 by Noel

Early Childhood EducationTo promote creativity in the classroom curriculum, a teacher should A. follow precise, preplanned steps B. provide materials that allow children to explore. I selected B, am I correct
May 31, 2012 by sarah

geometryJason makes two pictures. Picture 1 is made with the help of a pencil and picture 2 is made with the help of a pencil, compass, and protractor Which statement best compares the two Answer: A:Picture 1 is a drawing because it does not use measuring tools and Picture 2 is a ...
September 22, 2011 by Anonymous

Math Jason makes two pictures. Picture 1 is made with the help of a pencil and picture 2 is made with the help of a pencil, compass, and protractor Which statement best compares the two Answer: A:Picture 1 is a drawing because it does not use measuring tools and Picture 2 is a ...
October 3, 2011 by Please Help Me

MathNan wants to measure the length of board. Which of the following units would be the most precise? A. inch B. foot C. 1/16 inch D. 1/8 inch
February 24, 2013 by Anonymous

mathConsider the following method of estimating Fahrenheit temperatures given Celsius temperatures (which was stated earlier in this section): To estimate the Fahrenheit temperature for a given Celsius temperature, double the Celsius temperature and add 30. Create a spreadsheet ...
October 28, 2009 by jeng

EnglishWhen you need to find a more precise word to express your meaning, the best place to check would be a: A. pocket dictionary. B. reference manual. C. thesaurus. D. dictionary of antonyms. C
April 7, 2014 by Angela

NavigationThanks Damon for your help yesterday. I see now there are close similarities between the 2 formulas I sighted yesterday. I worked my problem with both formulas and received identical answers of 958.27 NM. This distance is a mile or so more than your answers and I have studied ...
January 18, 2008 by mike

Calculus HelpLet P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1950 to 2000. (I didnt put the table here because it will not display well so the table has basically t as time from 1950 to 2000 and P(t) values...
March 2, 2014 by Tim

mathchoose any 3 digit number. How you can add and substract 10 and 100 from that number. Explain your mental strategies for adding or substrating based on placevalue usring precise language and models correctly
February 20, 2014 by Ak

mathchoose any 3 digit number. How you can add and substract 10 and 100 from that number. Explain your mental strategies for adding or substrating based on placevalue usring precise language and models correctly
February 20, 2014 by queena

Socialswhat three rules should be applied when using primary source documents to make sure that they are reliable and accurate? Three rules which should be applied when using primary source documents to make sure that they are reliable and accurate are that they should be able to ...
September 12, 2009 by Rebecca

PharmacologyHi i need help on these two puzzle words. 1. Dropping of a liquid on or into a body part _ n _ t _ _ _ _ _ i _ _ [12 words] 2. A precise and detailed plan for the regimen of therapy for a patient _ r _ _ _ _ _ _ [8 words]
December 13, 2010 by Anonymous

PharmacologyHi i need help on these two puzzle words. 1. Dropping of a liquid on or into a body part _ n _ t _ _ _ _ _ i _ _ [12 words] 2. A precise and detailed plan for the regimen of therapy for a patient _ r _ _ _ _ _ _ [8 words]
December 13, 2010 by Anonymous

economicsEconomic growth patterns decreased sharply from 1990-1991. Then they rose sharply and gradually leveled off up until 1999. However, inflation dropped steadily from 1990-1999. It decreased sharply at first and then leveled off from 1994--1994. Question 1 - Forecast of economic ...
October 5, 2010 by Arlena1998

geometryFind the midpoint of each side of the trapezoid. Connect the midpoints. What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the trapezoid?
April 1, 2014 by tazuiah

mathwho created math God. Math is a symbolic language used to express ideas in the form of sentences and statements that attempt to make somewhat precise decisions about nature.
February 8, 2007 by jose

mathdoes anybody know what the slope of 20,1 7,-19 Four numbers do not define a slope, unless you consider them as two pairs of (x,y) coordinates. Please be more precise about what you are talking about
March 28, 2007 by will

ChemistryIs a calibrated thermometer more precise than one that has not been calibrated? What implications does this have for measuring temperature changes as contrasted with measuring individual temperatures?
April 3, 2011 by Katie

ChemistryIs a calibrated thermometer more precise than one that has not been calibrated? What implications does this have for measuring temperature changes as contrasted with measuring individual temperatures?
April 3, 2011 by Katie